| Le Mars to Robertsville (New Jersey) | 1,140.37 mi (1,835.25 km) |
| Le Mars to Robinson (Texas) | 784.61 mi (1,262.71 km) |
| Le Mars to Robstown (Texas) | 1,038.88 mi (1,671.92 km) |
| Le Mars to Rochester (Michigan) | 661.84 mi (1,065.12 km) |
| Le Mars to Rochester (Minnesota) | 204.16 mi (328.56 km) |
| Le Mars to Rochester (New Hampshire) | 1,267.97 mi (2,040.59 km) |
| Le Mars to Rochester (New York) | 936.57 mi (1,507.26 km) |
| Le Mars to Rochester Hills (Michigan) | 660.12 mi (1,062.37 km) |
| Le Mars to Rock Hill (South Carolina) | 976.26 mi (1,571.14 km) |
| Le Mars to Rock Island (Illinois) | 300.40 mi (483.45 km) |
| Le Mars to Rock Springs (Wyoming) | 672.29 mi (1,081.94 km) |
| Le Mars to Rockford (Illinois) | 363.71 mi (585.34 km) |
| Le Mars to Rockledge (Florida) | 1,318.95 mi (2,122.65 km) |
| Le Mars to Rocklin (California) | 1,334.82 mi (2,148.19 km) |
| Le Mars to Rockport (Texas) | 1,020.50 mi (1,642.34 km) |
